仁爱英语九上PPT课件Unit 2 Topic 1 Section A (2).ppt
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1、Unit 2 Saving the Earth,Topic2 All these problems are very serious.,Section A,黑龙江省双城市第二中学 高艳玲,pollution,many trees,cut down,forests gone,wash the earth away,冲走,change into desert,转换成,变成,沙漠,e.g. A lot of rich land has changed into desert because people have cut down too many trees.,sandstorms,come in
2、to being,n. 沙尘暴,The boy and girls are talking about . different types of sandstorms the reasons for sandstorms sandstorms in different cities,1b Listen to 1a and choose the best answer.,Focus on the main idea of the conversation when you listen for the first time.,Listen and answer the questions,1.W
3、hats the weather like today ? Its bad. The wind is so strong . And the sand really hurts face. 2.What causes these sandstorms ? People have cut down too many trees. As a result, a lot of rich land has changed into desert. 3.Do we still need to do something to protect the environment ? Yes, we do. Al
4、though we have built “The Green Great Wall”, we still need to do something to protect the environment .,conj. 虽然,尽管,即使,n.沙,somebody, someone, something, somewhere anybody, anyone, anything, anywhere none, nobody, nothing, nowhere everybody, everyone, everything, everywhere,一般情况下用于肯定句,一般情况下用于否定句和疑问句,
5、表否定含义,可用于各种句式,the indefinite pronoun and adverb,1.I have _ to tell you. A. important something B. something important,B,形容词修饰不定代词和不定副词时,要放在不定代词/不定副词之后,Do you know?,2.Everybody _ ready for the match. A. is B. are,A,不定代词作主语时,谓语动词要用单数。,1a Listen, look and say.,1c Read 1a and complete trees functions.,T
6、rees can stop the wind from blowing the earth away. A lot of water can be saved by forests. They can also stop the water from washing the earth away.,Trees functions,K: wind; sand; anything M: sandstorms J: cut down; as a result; change into M: affect J: stopfrom; blow away K: can be saved J: wash a
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